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Enable/Disable VMware High Availability

Enable/Disable VMware High Availability

VMware HA shows off in Vsphere Client 5.1.0. I would like to know if there is any negative impact before I enable HA.

Thank you
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Nick Rhode
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Avatar of Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
There is no negative impact of enabling VMware HA.

But check you have correctly followed the instructions and have met the prerequistes for installing. e.g. networking is correct.

Once you have Enabled VMware HA - make sure you test it correctly.

Are all your ESXi Host Servers the same, e.g. make and model, CPU and RAM?
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they are Dell Poweredge R710

2ESX= 8 CPUs x 2.659GHz RAM=14446.10MB
4ESX= 12 CPUsx 2.659GHz RAM =98294.02MB

All 6 ESXs are in the same Cluster
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HA shows Off , I believe they did not enable it..
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Thank you Guys!